期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 575, 期 -, 页码 319-325出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.05.178
关键词
Composite materials; Chemical synthesis; Catalysis
资金
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-2009-C1AAA001-0094219]
- Energy Efficiency & Resources of the Korea Institute of Energy Technology Evaluation and Planning [20112010100110]
- Korea Government Ministry of Knowledge Economy
A Ketjen black/Co3O4 catalyst nanocomposite was fabricated for use in an enhanced air electrode for Li/air batteries. Polydopamine was used as a coating on Ketjen black to act as a reaction agent, for ensuring homogeneous reaction and adequate distribution of the catalyst nanoparticles on the surface. The results of various characterization analyses indicated successful immobilization of Co3O4 via the polydopamine layer. An electrode prepared using the polydopamine-assisted Ketjen black/Co3O4 nanocomposite exhibited a low overpotential and excellent capacity and cyclic performance, demonstrating the suitability of this novel nanocomposite for use in the air electrode of a Li/air cell. (C) 2013 Elsevier B.V. All rights reserved.
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